Developers can convert any Microsoft Visio document to HTML (Hypertext Markup Language) in C# (or in any other .NET Framework supported language e.g. VB.NET etc) using Aspose.Diagram which is a light-weight, extensible, easy to use API, that helps developers to create, manipulate and convert Microsoft Visio files to various formats on client side and server-side without any need to install Microsoft Visio or using any sort of Microsoft Office automation.

Supported Platforms

Aspose.Diagram supports both .NET and Java platforms. Please see Aspose.Diagram for .NET and Aspose.Diagram for Java for your reference.

Sample Microsoft Visio Document - VSD

For demonstration purpose, we will convert the following sample Microsoft Visio document to HTML in C# using Aspose.Diagram API. However, you can use any Microsoft Visio document of your choice inside the sample code and it will also be converted to HTML fine.

Licensing

Please note, if you will execute the code without prior setting the Aspose.Diagram license, you will get Evaluation Watermark in your output documents. For more information, please go through Licensing.

Sample Code

The following sample code converts the Microsoft Visio document to HTML by performing these steps.

• Load Microsoft Visio document to Aspose.Diagram.Diagram object.
• Save the Aspose.Diagram.Diagram object into HTML format.

Output HTML by Aspose.Diagram

The following snapshot shows the Output HTML generated by Aspose.Diagram with the code given above. As you can see, the HTML looks exactly same as Microsoft Visio document.